----------
PART
1
-ENGINE
SYSTEMS----------
22
R1
- 20
fgj
Setting Valve Lash
1. Adjuster
Screw
3. Valve Stem
2.
Rocker
Arm 4. Feeler
Gauge
3. Adjust valve lash setting with each piston
in turn at
Top
Dead Centre and rockers
free to move, Figure 22.
Intake Valve Lash:
0.014--0.018 in (0.36--0.46mm).
Exhaust Valve Lash:
0.017--0.021 in (0.43--0.53mm).
NOTE: Valve lash is
to
be
set
only when the
engine is cold.
4. Install the injectors with new seat wash-
ers, cork seals and torque to 17 lbf ft
(23N m) 2.3 kgf m, Figure 6.
5. Install the injector lines and leak off pipes
with new washers and torque the leak off
banjo bolts to 8 lbf ft
(1
ON
m)
1.1
kgf m.
NOTE:
Hold
the leak
off
plastic tubing when
tightening to
prevent
the pipes pivoting during
torque up.
6. Exhaust manifold bolts are to
be
refitted
and
tightened to a torque
of
28 lbf ft
(38N m) 3.8 kgf m.
7. Intake manifold bolts are to be refitted and
tightened to a torque of
28
lbf ft (38N m)
3.8 kgf m.
16
ENGINE
FRONT
COVER AND TIMING
GEAR REMOVAL
Crankshaft Pulley Removal
1. Shaft Protector 3. Puller
2. Bolt 4. Crankshaft Pulley
NOTE: Timing
cover
and
gears
can
only
be
serviced
after
removing the front support as-
sembly, refer to
PART
10 "SE PARA TING
THE UNIT".
1.
Remove the fan belt and tensioner and
withdraw the bolt and
washer
from the
crankshaft pulley.
2. Using puller No 518
or
FT
9539
and
shaft
protector No
625-A
or
9212, remove pul-
ley, spacer and 'O' ring from the shaft,
Figure 23.
3. Disconnect the hydraulic auxiliary
pump
tubes where fitted, draining the oil into a
suitable container and plug all ports to
prevent dirt ingress.
4. Drain the engine oil
and
remove the oil
pan.
24
R1-21A
Front
Cover
Retaining Bolt
Sequence
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